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    • 61. 发明申请
    • Direct binding assay for identifying inhibitors of HCV polymerase
    • 用于鉴定HCV聚合酶抑制剂的直接结合测定
    • US20030108862A1
    • 2003-06-12
    • US10211455
    • 2002-08-02
    • Boehringer Ingelheim (Canada) Ltd.
    • George KukoljPierre Louis BeaulieuGinette McKercher
    • C12Q001/70A61K031/53A61K031/519A61K031/52
    • G01N33/542C12Q1/48G01N2333/18G01N2333/91245G01N2500/02G01N2500/04
    • A method for identifying compounds binding to HCV polymerase comprising the steps of:contacting said HCV polymerase or an analog thereof with a probe formula I: 1 wherein A is O, S, N, NR1, or CR1, wherein R1 is defined herein; - - - represents either a single or a double bond; R2 is selected from: H, halogen, R21 , OR21 , SR21 , COOR21 , SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, wherein R3 is defined herein; with the proviso that, when A is not N, then one of A or B is either CR1 or CR3, K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4 defined above; M is N or CR7, wherein R7 has the same definition as R4 defined above; R5 is C(Y1)Z wherein Y1 is O or S; and Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is 2 wherein R7 and R8 and Q are as defined herein; Y2 is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl or (C1-6)alkyl-Het, all of which optionally substituted with R90; or R9 is covalently bonded to either of R7 or R8 to form a 5- or 6-membered heterocycle; or a salt thereof; where the probe comprises a detectable label attached to any suitable position, whereby said probe binds to an HCV polymerase or an analog thereof and is capable of being displaced by an inhibitor thereof.
    • 用于鉴定与HCV聚合酶结合的化合物的方法,包括以下步骤:使所述HCV聚合酶或其类似物与式I的探针接触:其中A是O,S,N,NR1或CR1,其中R 1在本文中定义; - - - 表示单键或双键; R 2选自:H,卤素,R 21,OR 21,SR 21,COOR 21,SO 2 N(R 22)2,N(R 22)2,CON(R 22)2,NR 22 C(O)R 22或NR 22 C R22在本文中定义; B是NR 3或CR 3,其中R 3在本文中定义; 条件是当A不是N时,A或B中的一个是CR 1或CR 3,K是N或CR 4,其中R 4在本文中定义; L是N或CR5,其中R5具有与上述定义的R4相同的定义; M是N或CR 7,其中R7与上述定义的定义相同; R5是C(Y1)Z,其中Y1是O或S; 并且Z是N(R6a)R6或OR6,其中R6a是H或烷基或NR61R62,其中R61和R62在本文中定义; 且R 6为H,烷基,环烷基,烯基,Het,烷基 - 芳基,烷基-Het; 或R6是其中R7和R8和Q如本文所定义; Y2为O或S; R9是H,(C1-6烷基),(C3-7)环烷基或(C1-6)烷基 - (C3-7)环烷基,芳基,Het,(C1-6)烷基 - 芳基或(C1-6) 烷基-Het,它们全部被R90取代; 或R
    • 62. 发明申请
    • Assay for identifying inhibitors of HIV RT dimerization
    • 用于鉴定HIV RT二聚化抑制剂的测定
    • US20030087379A1
    • 2003-05-08
    • US10205641
    • 2002-07-25
    • Boehringer Ingelheim (Canada) Ltd.
    • Nicolas Sluis-CremerMichael ParniakAlex Pelletier
    • C12Q001/68C12P021/06C12P019/34C07K002/00C07K004/00C07K005/00C07K007/00C07K014/00C07K016/00C07K017/00A61K038/00
    • C12Q1/48G01N2333/9125G01N2500/02
    • A method for measuring heterodimerization of HIV RT, which comprises the steps of: a) providing a first solution comprising p66 subunit homodimers in the presence of a dissociation agent; b) contacting the first solution with p51 RT subunits and incubating in the presence of a reassociation buffer to allow association of a complex of p66/p51 RT subunits, wherein one of the subunits comprises an affinity tag and the other of the subunits comprises a detectable label; c) contacting the incubate of step b) with an affinity medium under conditions that enable the p66/p51 complex to bind to the affinity medium; and d) determining the amount of complex formed by measuring the level of detectable label bound to the affinity medium (or by measuring the reconstituted RT polymerase activity). Steps a) to d) can be carried out in the presence or absence of a test compound followed by e) comparing the test compound sample to a control sample lacking the compound, whereby modulated p66/p51 complex formation in the test compound sample is indicative of the ability of the compound to modulate, inhibit or enhance heterodimerization. The method can be used to screen for inhibitors of HIV RT dimerization.
    • 一种用于测量HIV RT的异二聚化的方法,其包括以下步骤:a)在解离剂存在下提供包含p66亚基同源二聚体的第一溶液; b)使第一溶液与p51RT亚基接触,并在再结合缓冲液存在下孵育以允许p66 / p51 RT亚基的复合物缔合,其中一个亚基包含亲和标签,另一个亚基包含可检测的 标签; c)使能使p66 / p51复合物与亲和介质结合的条件下使步骤b)的培养物与亲和介质接触; 和d)通过测量与亲和介质结合的可检测标记的水平(或通过测量重构的RT聚合酶活性)来确定形成的复合物的量。 步骤a)至d)可以在存在或不存在测试化合物的情况下进行,随后e)将测试化合物样品与缺少化合物的对照样品进行比较,由此在测试化合物样品中调节的p66 / p51复合体形成是指示性的 的化合物调节,抑制或增强异源二聚化的能力。 该方法可用于筛选HIV RT二聚化抑制剂。